![subject](/tpl/images/cats/himiya.png)
Chemistry, 20.02.2021 01:30 jasminejbronner
19.The Alkali and Alkaline Earth metals belong to which columns, respectively?
a. Column IA & IIA
b. Column VIIA & Column VIIIA
c. Column IIIA & IVA
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:00
An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 17:40
Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 22:00
4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.
Answers: 2
You know the right answer?
19.The Alkali and Alkaline Earth metals belong to which columns, respectively?
a. Column IA & I...
Questions
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 05.02.2020 03:52
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.02.2020 03:52
![question](/tpl/images/cats/fizika.png)
Physics, 05.02.2020 03:52
![question](/tpl/images/cats/mat.png)
Mathematics, 05.02.2020 03:52
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 05.02.2020 03:52
![question](/tpl/images/cats/mat.png)
Mathematics, 05.02.2020 03:52
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mir.png)
World Languages, 05.02.2020 03:52
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
English, 05.02.2020 03:52
![question](/tpl/images/cats/fizika.png)